Alzheimer's Research News

April 2, 2025

Top Headlines

Blood Test May Rule out Future Dementia Risk

Apr. 2, 2025 — Researchers have demonstrated how specific biomarkers in the blood can predict the development of dementia up to ten years before diagnosis, among older adults living independently in the ...

Study Strengthens Link Between Shingles Vaccine and Lower Dementia Risk

Apr. 2, 2025 — A new analysis of a vaccination program in Wales found that the shingles vaccine appeared to lower new dementia diagnoses by 20% -- more than any other known ...

New Study Links Lower Proportions of Certain Sleep Stages to Brain Changes Associated With Alzheimer's Disease

Mar. 31, 2025 — New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over ...

Highly Accurate Blood Test Diagnoses Alzheimer's Disease, Measures Extent of Dementia

Mar. 31, 2025 — A newly developed blood test for Alzheimer's disease not only aids in the diagnosis of the neurodegenerative condition but also indicates how far it has progressed, according to a new ...

Latest Headlines

updated 10:45pm EDT

Your Neighborhood May Affect Your Risk of Dementia

Mar. 26, 2025 — People living in more disadvantaged neighborhoods may be more likely to develop dementia than people living in neighborhoods with fewer disadvantages, according to a new study. The study does not ...

Study Unlocks How Diabetes Distorts Memory and Reward Processing

Mar. 26, 2025 — A research team says high blood sugar levels appear to weaken function in key part of brain, mimicking ...

Highly Educated People Face Steeper Mental Declines After Stroke

Mar. 26, 2025 — Stroke survivors who have attended some level of higher education may face even steeper mental declines, according to a study. The findings suggest that attending higher education may enable people ...

New Software Finds Aging Cells That Contribute to Disease and Health Risks

Mar. 25, 2025 — For human health, prematurely aging cells are a big problem. When a cell ages and stops growing, its function changes, which can cause or worsen cardiovascular disease, Alzheimer's disease and other ...

ADHD May Be Associated With an Increased Risk of Dementia

Mar. 25, 2025 — An adult brain affected by attention deficit disorder with or without hyperactivity (ADHD) presents modifications similar to those observed in individuals suffering from dementia. These are the ...

At-Home Smell Test for Early Detection of Alzheimer's Disease

Mar. 24, 2025 — Researchers developed olfactory tests -- in which participants sniff odor labels that have been placed on a card -- to assess people's ability to discriminate, identify and remember odors. They found ...

Study Confirms Accuracy of Blood Test for Early Alzheimer's Detection in Asian Populations

Mar. 24, 2025 — A study has demonstrated the high accuracy of plasma p-tau217 as a blood-based biomarker for detecting abnormal brain beta-amyloid pathology, a ...

Anti-Amyloid Drug Shows Signs of Preventing Alzheimer's Dementia

Mar. 19, 2025 — An experimental drug appears to reduce the risk of Alzheimer's-related dementia in people destined to develop the disease in their 30s, 40s or 50s, according to the results of a new study. The ...

Latest Alzheimer's Drug Shown Less Effective in Females Than Males

Mar. 18, 2025 — A research team has found that lecanemab was probably less effective in females than males in its Phase 3 trial. However, there was insufficient evidence to say the drug was totally ineffective in ...

Study Finds Unique Brain Changes Linked to Witnessing Trauma

Mar. 18, 2025 — Researchers discovered distinct molecular differences in how the brain processes directly experienced versus witnessed trauma -- a finding that could lead to more targeted treatments for ...

Inflammatory Messenger Fuels Alzheimer's

Mar. 17, 2025 — Researchers have detailed the precise mechanism through which the inflammatory signaling molecule IL-12 contributes to Alzheimer's ...

New Clue on What Is Leading to Neurodegenerative Diseases Like Alzheimer's and ALS

Mar. 14, 2025 — Researchers have revealed a new scientific clue that could unlock the key cellular pathway leading to devastating neurodegenerative diseases like Alzheimer's disease and amyotrophic lateral ...

Lowering Bioenergetic Age May Help Fend Off Alzheimer's

Mar. 13, 2025 — A person's 'bioenergetic age' -- or how youthfully their cells generate energy -- might be a key indicator of whether they're at risk of developing Alzheimer's disease, new ...

Scientists Solve Decades-Long Parkinson's Mystery

Mar. 13, 2025 — Researchers have made a huge leap forward in the fight against Parkinson's disease, solving a decades-long mystery. In a major breakthrough, they have been able to see the human PINK1 protein ...

Can AI Help Detect Cognitive Impairment?

Mar. 13, 2025 — Mild cognitive impairment (MCI) can be an early indicator of Alzheimer's disease or dementia, so identifying those with cognitive issues early could lead to interventions and better outcomes. ...

Vocal Changes in Birds May Predict Age-Related Disorders in People, Study Finds

Mar. 12, 2025 — Neuroscientists have found a link between vocal changes and the aging brain in zebra finch songbirds, which could help lead to earlier diagnoses for disorders such as Parkinson's and ...

'Doomsday Clock' and Patterns of Mortality and Mental Health in the United States

Mar. 12, 2025 — A new study investigated the mortality and mental health correlates of the iconic Bulletin of the Atomic Scientists' Doomsday ...

Assessing Pain, Anxiety and Other Symptoms of Nursing Home Residents Unable to Speak for Themselves

Mar. 12, 2025 — As many as half of nursing home residents are cognitively impaired and may be unable to communicate symptoms such as pain or anxiety to those caring for them. Therefore, information needed for the ...

Blood Test Shows Promise for Early Detection of Dementia

Mar. 11, 2025 — For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates. Idiopathic REM sleep behavior ...

Compound Found in Common Herbs Inspires Potential Anti-Inflammatory Drug for Alzheimer's Disease

Mar. 10, 2025 — The herb rosemary has long been linked with memory: 'There's rosemary, that's for remembrance,' says Ophelia in Shakespeare's Hamlet. So it is fitting that researchers would ...

Bad Sleep Harms Old-Age Memory by Disrupting the Brain's 'Waste Removal System'

Mar. 10, 2025 — Poor sleep among older adults is linked to disruptions in the brain's 'waste removal system', according to researchers. A recent study offers valuable insight into how sleep quality ...

Brain Mapping Unlocks Key Alzheimer's Insights

Mar. 6, 2025 — Researchers have used a new brain-mapping technique to identify memory-related brain cells vulnerable to protein buildup, a key factor in the development of Alzheimer's disease, an incurable, ...

Alzheimer's Treatment May Lie in the Brain's Own Cleanup Crew

Mar. 6, 2025 — A new study suggests a promising alternative to previous attempts to remove the sticky, toxic amyloid beta plaques from brains with Alzheimer's Disease: enhancing the brain's own immune ...

Repurposed ALS Drug Becomes Imaging Probe to Help Diagnose Neurodegeneration

Mar. 5, 2025 — Scientists used positron emission tomography (PET) with edaravone, a drug used to treat ALS, to detect oxidative stress, which leads to brain damage, offering a clear path to detecting neurological ...

Among Older Women, Hormone Therapy Linked to Tau Accumulation, a Hallmark of Alzheimer's Disease

Mar. 5, 2025 — A new study has found faster accumulation of tau -- a key indicator of Alzheimer's disease -- in the brains of women over the age of 70 who took menopausal hormone therapy (HT) more than a ...

How to Clear the Toxic Tau Protein That Can Lead to Alzheimer's and Related Diseases

Mar. 5, 2025 — The neurotransmitter glutamate is essential for regulating everything from mood to memory, but it can also encourage a toxic buildup of protein, which can contribute to Alzheimer's and related ...

Consumer Devices Can Be Used to Assess Brain Health

Mar. 4, 2025 — Technology is changing how physicians think about assessing patients and, in turn, how patients expect to be able to measure their own health. Apps designed for smartphones and wearable devices can ...

Evidence Expanding That 40Hz Gamma Stimulation Promotes Brain Health

Mar. 3, 2025 — A decade of studies from labs around the world provide a growing evidence base that increasing the power of the brain's gamma rhythms could help fight Alzheimer's, and perhaps other, ...

Key Protein Identified for Understanding and Treating Alzheimer's Disease

Feb. 28, 2025 — Researchers have identified a specific form of the tau protein that is responsible for mediating the toxicity of harmful protein clumps in human neurons and thus represents a target for future ...

How Air Pollution and Wildfire Smoke May Contribute to Memory Loss in Alzheimer's Disease

Feb. 27, 2025 — Air pollution contributes to nearly 7 million premature deaths each year, and its effects go far beyond the lungs. Breathing in wildfire smoke or automobile-related city smog doesn't just ...